Bug 1007939 (CVE-2013-4348)

Summary: CVE-2013-4348 kernel: net: deadloop path in skb_flow_dissect()
Product: [Other] Security Response Reporter: Petr Matousek <pmatouse>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: bhu, carnil, esammons, iboverma, jasowang, jkacur, jross, jrusnack, juzhang, lgoncalv, matt, mcressma, mst, security-response-team, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-08-24 16:00:11 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1007942, 1007943, 1007955, 1025647    
Bug Blocks: 1008303    

Description Petr Matousek 2013-09-13 15:23:43 UTC
A flaw was found in the way ip packets with ihl of zero were processed in the skb_flow_dissect() function in the Linux kernel.

A remote attacker could use this flaw to cause inifinite loop in the kernel.

Acknowledgements:

This issue was found by Jason Wang of Red Hat.

Comment 3 Petr Matousek 2013-09-13 15:39:17 UTC
Statement:

This issue does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. Future Linux kernel updates for Red Hat Enterprise Linux MRG 2 might address this issue.

Comment 6 errata-xmlrpc 2013-10-31 16:30:15 UTC
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2013:1490 https://rhn.redhat.com/errata/RHSA-2013-1490.html

Comment 7 Petr Matousek 2013-11-01 07:55:50 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1025647]

Comment 9 Fedora Update System 2013-11-05 02:59:12 UTC
kernel-3.11.6-201.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 10 Fedora Update System 2013-11-10 07:57:20 UTC
kernel-3.11.7-300.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 11 Fedora Update System 2013-11-13 02:16:28 UTC
kernel-3.11.7-100.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 12 John Kacur 2014-02-06 13:41:49 UTC
Upstream commit 6f092343855a71e03b8d209815d8c45bf3a27fcd